X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/b21345d458b5ea10f110a59b7522fe602cc1b9ea..fd66a01dcdad6bb7cdc7277fca3c193345e25fbd:/penrose.c

diff --git a/penrose.c b/penrose.c
index 18c4258..7adab03 100644
--- a/penrose.c
+++ b/penrose.c
@@ -96,7 +96,7 @@
 
 struct vector { int a, b, c, d; };
 
-static vector v_origin()
+static vector v_origin(void)
 {
     vector v;
     v.a = v.b = v.c = v.d = 0;
@@ -107,7 +107,7 @@ static vector v_origin()
  * draw an isoceles triangle centred on the X axis. */
 #ifdef TEST_VECTORS
 
-static vector v_unit()
+static vector v_unit(void)
 {
     vector v;
 
@@ -219,7 +219,7 @@ static const char *v_debug(vector v)
  * Tiling routines.
  */
 
-vector xform_coord(vector vo, int shrink, vector vtrans, int ang)
+static vector xform_coord(vector vo, int shrink, vector vtrans, int ang)
 {
     if (shrink < 0)
         vo = v_shrinkphi(vo);
@@ -539,7 +539,7 @@ int test_cb(penrose_state *state, vector *vs, int n, int depth)
     return 0;
 }
 
-void usage_exit()
+void usage_exit(void)
 {
     fprintf(stderr, "Usage: penrose-test [--recursion] P2|P3 SIZE DEPTH\n");
     exit(1);